JPS5574618A - Operating frequency selector for digital computer - Google Patents

Operating frequency selector for digital computer

Info

Publication number
JPS5574618A
JPS5574618A JP14847278A JP14847278A JPS5574618A JP S5574618 A JPS5574618 A JP S5574618A JP 14847278 A JP14847278 A JP 14847278A JP 14847278 A JP14847278 A JP 14847278A JP S5574618 A JPS5574618 A JP S5574618A
Authority
JP
Japan
Prior art keywords
computer
load
synchronizing
stopped
switch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP14847278A
Other languages
English (en)
Inventor
Akira Shibata
Atsutoshi Okamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
NipponDenso Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NipponDenso Co Ltd filed Critical NipponDenso Co Ltd
Priority to JP14847278A priority Critical patent/JPS5574618A/ja
Priority to EP79104516A priority patent/EP0012232A1/en
Publication of JPS5574618A publication Critical patent/JPS5574618A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/324—Power saving characterised by the action undertaken by lowering clock frequency
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Sources (AREA)
JP14847278A 1978-11-29 1978-11-29 Operating frequency selector for digital computer Pending JPS5574618A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP14847278A JPS5574618A (en) 1978-11-29 1978-11-29 Operating frequency selector for digital computer
EP79104516A EP0012232A1 (en) 1978-11-29 1979-11-15 Apparatus for switching over the operating frequency of a digital computer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14847278A JPS5574618A (en) 1978-11-29 1978-11-29 Operating frequency selector for digital computer

Publications (1)

Publication Number Publication Date
JPS5574618A true JPS5574618A (en) 1980-06-05

Family

ID=15453504

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14847278A Pending JPS5574618A (en) 1978-11-29 1978-11-29 Operating frequency selector for digital computer

Country Status (2)

Country Link
EP (1) EP0012232A1 (ja)
JP (1) JPS5574618A (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5840642A (ja) * 1981-09-04 1983-03-09 Anritsu Corp エミユレ−タクロツク回路
JPS595328A (ja) * 1982-07-01 1984-01-12 Matsushita Electric Ind Co Ltd クロツク切換回路
JPS5946028U (ja) * 1982-09-17 1984-03-27 日本電気株式会社 電子回路
JPS59118035U (ja) * 1983-01-26 1984-08-09 日本電気株式会社 マイクロコンピユ−タ
JPS61269718A (ja) * 1985-05-24 1986-11-29 Canon Inc 電池駆動電子機器
JPH03164818A (ja) * 1989-11-22 1991-07-16 Furuno Electric Co Ltd 携帯用データ処理装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62237592A (ja) * 1986-04-08 1987-10-17 Casio Comput Co Ltd Ｉｃカ−ドにおけるクロツク切換方式
FR2649506A1 (fr) * 1989-07-07 1991-01-11 Sgs Thomson Microelectronics Circuit integre avec horloge a frequence variable
EP0522720B1 (en) * 1991-06-18 1999-08-18 Nokia Mobile Phones Ltd. Clock frequency adjustment of an electrical circuit
TW249306B (ja) * 1992-04-28 1995-06-11 At & T Corp

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL163338C (nl) * 1972-03-25 1980-08-15 Philips Nv Elektronische schakeling.
DE2350582C3 (de) * 1973-10-09 1982-01-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Elektrische Anzeigevorrichtung mit Mitteln zur Aufrechterhaltung der Anzeigewerte bei Spannungsausfall
JPS52128015A (en) * 1976-04-20 1977-10-27 Fuji Electric Co Ltd Back up power supply circuit of cmos circuit

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5840642A (ja) * 1981-09-04 1983-03-09 Anritsu Corp エミユレ−タクロツク回路
JPH0115096B2 (ja) * 1981-09-04 1989-03-15 Anritsu Corp
JPS595328A (ja) * 1982-07-01 1984-01-12 Matsushita Electric Ind Co Ltd クロツク切換回路
JPS5946028U (ja) * 1982-09-17 1984-03-27 日本電気株式会社 電子回路
JPS59118035U (ja) * 1983-01-26 1984-08-09 日本電気株式会社 マイクロコンピユ−タ
JPS61269718A (ja) * 1985-05-24 1986-11-29 Canon Inc 電池駆動電子機器
JPH03164818A (ja) * 1989-11-22 1991-07-16 Furuno Electric Co Ltd 携帯用データ処理装置

Also Published As

Publication number Publication date
EP0012232A1 (en) 1980-06-25

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